There may be provided a secure ledger network for executing cryptocurrency transactions, the secure ledger network includes at least one hardware processor, a non-transitory machine-readable storage medium having an executable computer readable program code, the at least one hardware processor configured to execute the computer-readable program code to: receive, by the secure ledger network, a request to validate a smart contract that determines at least one rule for performing a transaction related to a first cryptocurrency token, wherein an execution of the transaction comprising determining a price of the first cryptocurrency token based on a status of the first cryptocurrency token, and a status of an other cryptocurrency token; determine whether to validate the smart contract; when determining to validate the smart contract then updating a secure ledger maintained by the secure ledger network with the smart contract; receiving, by the secure ledger network, a request to execute a transaction related to the first cryptocurrency token; performing the transaction by executing, by the secure ledger network, the smart contract; and updating the secure ledger about a completion of the transaction.